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ProcessMeter™
Using the Current Output Functions
25
Manually Stepping the mA Output
When the rotary function switch is in the OUTPUT mA [
position, and the OUTPUT jacks are connected to an
appropriate load, the meter produces a steady mA dc
output. The meter begins sourcing or simulating 0 %. Use
the pushbuttons to step the current up and down in 25 %
increments as shown in Table 9. See Table 10 for mA
values at each 25 % step.
Select either sourcing or simulating by choosing the
SOURCE or SIMULATE output jacks.
If the meter cannot deliver the programmed current
because the load resistance is too high or the loop supply
voltage is too low, dashes (-----) appear on the numeric
display. When the impedance between the SOURCE
jacks is low enough, the meter will resume sourcing.
Note
The COARSE and FINE adjustment pushbuttons
described in Table 8 are available when
manually stepping the mA output.
Table 9. mA Stepping Pushbuttons
Pushbutton Adjustment
X
M
% STEP
Adjusts up to the next higher 25 %
step
% STEP
G
W
Adjusts down to the next lower
25 % step
Span Check Sets to 100 % value
Span Check
Sets to 0 % value
Table 10. mA Step Values
Value (for each span setting)
Step 4 to 20 mA 0 to 20 mA
0 % 4.000 mA 0.000 mA
25 % 8.000 mA 5.000 mA
50 % 12.000 mA 10.000 mA
75 % 16.000 mA 15.000 mA
100 % 20.000 mA 20.000 mA
120 % 24.000 mA
125 % 24.000 mA
29


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